The trigger behind the Cambrian explosion is finally coming into focus https://t.co/50UcIhHE5B http://pic.twitter.com/MImXgAipPs
— Scientific American (@sciam) February 18, 2016
via Twitter https://twitter.com/sciam
February 18, 2016 at 06:40AM
The trigger behind the Cambrian explosion is finally coming into focus https://t.co/50UcIhHE5B http://pic.twitter.com/MImXgAipPs
— Scientific American (@sciam) February 18, 2016
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